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SageMath
E = EllipticCurve("cm1")
E.isogeny_class()
Elliptic curves in class 96330cm
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
96330.cr2 | 96330cm1 | \([1, 1, 1, -13270, -2069293]\) | \(-53540005609/350208000\) | \(-1690387126272000\) | \([2]\) | \(645120\) | \(1.6054\) | \(\Gamma_0(N)\)-optimal |
96330.cr1 | 96330cm2 | \([1, 1, 1, -337750, -75531565]\) | \(882774443450089/2166000000\) | \(10454868294000000\) | \([2]\) | \(1290240\) | \(1.9520\) |
Rank
sage: E.rank()
The elliptic curves in class 96330cm have rank \(1\).
Complex multiplication
The elliptic curves in class 96330cm do not have complex multiplication.Modular form 96330.2.a.cm
sage: E.q_eigenform(10)
Isogeny matrix
sage: E.isogeny_class().matrix()
The \(i,j\) entry is the smallest degree of a cyclic isogeny between the \(i\)-th and \(j\)-th curve in the isogeny class, in the Cremona numbering.
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.